Adjusting device for automobile rearview mirror, rearview mirror and adjusting method
Technical Field
The present invention relates to an electromechanical control technology, and more particularly, to an adjusting device for a rearview mirror of an automobile, a rearview mirror, and an adjusting method.
Background
The adjusting device of the existing automobile outer rearview mirror comprises two directions of rotation, wherein one direction of rotation is about an axis approximately perpendicular to the ground to complete folding and unfolding of the outer rearview mirror, the other direction of rotation is about an axis approximately parallel to the ground to complete pitching of the outer rearview mirror, and the two directions of rotation in the mode are achieved through two separate control devices.
For example, china patent number 2011101854496 discloses an automobile rearview mirror surface driver, which comprises a base, an upper cover, a floating plate, a floating rod, a transmission device, two motors connected with the transmission device and an arc-shaped rack, and provides the automobile rearview mirror surface driver with better stability, smaller noise, large bearing capacity, smooth manual adjustment and larger adjustment angle during adjustment. However, the mirror driver has the following defects that two separated control devices need a transmission device and two motors, so that the structure is dispersed and complex, the whole volume of the part is large, and the assembly precision, the quality and the control cost are not controlled.
Disclosure of Invention
The invention aims to solve the technical problems that the existing rearview mirror adjusting device has a scattered and complex structure and large whole size of parts, and is unfavorable for controlling the assembly precision, quality and cost, and provides an adjusting device for an automobile rearview mirror, the rearview mirror and an adjusting method thereof.
In order to achieve the above object, the present invention provides the following technical solutions:
The utility model provides an adjusting device of automobile rearview mirror, includes the planetary gear mechanism who links to each other with drive arrangement, planetary gear mechanism includes sun gear, planet wheel, planet carrier and ring gear, be equipped with outer ring gear on the ring gear to set up the ring gear driven gear that meshes with outer ring gear, ring gear driven gear even has first worm drive mechanism, the planet carrier even has second worm drive mechanism, all is equipped with arresting gear on first worm drive mechanism and second worm drive mechanism to set up first to rotating gear with first worm drive mechanism, set up second to rotating gear with second worm drive mechanism, first to rotating gear and second to rotating gear all link to each other with the casing of settling the rear-view mirror.
The adjusting device skillfully utilizes a planetary gear mechanism, an outer ring gear and a gear ring driven wheel are arranged, a first worm transmission mechanism and a second worm transmission mechanism are arranged in a matched mode, axial movement of two directions is formed by utilizing a first direction rotating gear and a second direction rotating gear, so that the action requirements of the whole adjusting device and a rearview mirror are met, a braking device is arranged on the first worm transmission mechanism and the second worm transmission mechanism, when the first worm transmission mechanism is braked, the gear ring driven gear and the gear ring are braked, a driving device drives the planetary gear to rotate and revolve, and drives a planet carrier and the second worm transmission mechanism to rotate, so that the rotation of the second direction rotating gear is realized, otherwise, when the second worm transmission mechanism is braked, the planetary gear revolution is limited, the driving device drives the planetary gear to rotate and the gear ring to rotate, the first worm transmission mechanism is driven to rotate, the rotation of the first direction rotating gear and the second direction adjustment of the rearview mirror are realized, and the whole adjusting device only needs one driving device to realize the adjustment of the two directions of the rearview mirror, and the whole adjusting device is simple in structure, small in size, and beneficial to control assembly precision and assembly quality and control.
Preferably, a horizontal axis rotation gear is provided to the first worm gear, and a vertical axis rotation gear is provided to the second worm gear. On the contrary, a vertical shaft rotating gear can be arranged with the first worm transmission mechanism, and a horizontal shaft rotating gear can be arranged with the second worm transmission mechanism, so that the rotation adjustment of the rearview mirror in two directions can be realized.
Preferably, the first worm transmission mechanism comprises a first transmission worm arranged on the gear ring driven gear, a first worm tooth is arranged on the first transmission worm, and the horizontal shaft rotating gear is matched with the first worm tooth to form a worm and gear structure.
Preferably, the second worm transmission mechanism comprises a second transmission worm arranged on the planet carrier, a second worm tooth is arranged on the second transmission worm, and the vertical shaft gear and the second worm tooth are paired to form a worm and gear structure. The device combines the worm gear mechanism and the planetary gear mechanism, and has the advantages of compact structure, large transmission ratio, stable operation, low noise, self-locking performance, further simplifying the structure, reducing the volume of the whole adjusting device, ensuring the action precision of the rearview mirror and ensuring the stability after long-term operation.
Preferably, the braking device comprises an electromagnetic valve, a spring and a braking disc, and friction discs are respectively arranged on the first transmission worm and the second transmission worm. The contact or separation of the brake disc and the friction disc is realized by controlling the on-off of the electromagnetic valve, so that the braking is realized or stopped, the rotation or the stopping rotation action of the first transmission worm and the second transmission worm is controlled, the steering of the whole adjusting device is realized, and the key effect is realized for realizing the accurate adjustment of the position of the automobile rearview mirror.
Preferably, the vertical shaft rotating gear is connected with a support, and the adjusting device component of the automobile rearview mirror is arranged in the shell, and the support is in spherical hinge connection with the shell. The support is used for arranging the whole adjusting device on the automobile, and the support is connected with the shell through a spherical hinge so as to drive the shell and the rearview mirror to fold and unfold conveniently.
Aiming at the technical problems that gaps exist between the outer rearview mirror shell and the lenses, the tightness is poor, water and dust are easy to enter, and the service life of the product is adversely affected:
Preferably, the housing comprises an inner housing and an outer housing, the inner housing is connected with the outer housing through a spherical hinge, the horizontal shaft rotating gear is arranged on the outer housing, the adjusting device components of the other automobile rearview mirrors are arranged in the inner housing, the inner housing is connected with the support through a spherical hinge, and the rearview mirror lens is arranged on the outer housing. The horizontal axis rotating gear is arranged on the outer shell, the inner shell is connected with the outer shell through the spherical hinge, when the horizontal axis rotating gear rotates to drive the rearview mirror to perform pitching action, other parts in the inner shell are not required to move, abrasion is reduced, meanwhile, gaps between the rearview mirror shell and the lenses can be reduced, sealing performance is improved, dust entering is reduced, and performance is ensured.
Preferably, the driving device comprises a driving motor, a driving worm is connected to an output shaft of the driving motor, a driven worm wheel is arranged with the driving worm, and an output shaft of the driven worm wheel is connected with a sun gear of the planetary gear mechanism. Through the rotation control to planet wheel mechanism, reach and only use a driving motor to realize the regulation of two directions of automobile rearview mirror, overall structure simplifies, reduces the device volume, practices thrift the cost.
An automobile rearview mirror comprises the adjusting device of the automobile rearview mirror.
An adjusting method of an adjusting device of an automobile rearview mirror, when the adjusting device of the automobile rearview mirror is used for adjusting the automobile rearview mirror, comprises the following steps:
A. Determining the adjusting direction of the rearview mirror, if the rearview mirror needs to rotate in the first direction, starting a braking device on the second worm transmission mechanism, and if the rearview mirror needs to rotate in the second direction, starting the braking device on the first worm transmission mechanism;
B. starting the driving device, and if the first worm transmission mechanism is braked, enabling the planet gears to rotate and revolve, driving the planet carrier and the second worm transmission mechanism to rotate, so that the rearview mirror can rotate in the second direction;
C. In the step B, if the second worm transmission mechanism is braked, the planet wheel can only rotate, the gear ring drives the gear ring driven gear to rotate, and then the first worm transmission mechanism rotates, and the first direction rotation of the rearview mirror is realized.
Compared with the prior art, the invention has the beneficial effects that:
The adjusting device skillfully utilizes the planetary gear mechanism, and is matched with the first worm transmission mechanism and the second worm transmission mechanism to form axial movement in two directions, the whole device only needs one driving device to realize the adjustment in two directions of the rearview mirror, and the whole adjusting device has simple structure and small volume, is beneficial to controlling the assembly precision and the assembly quality and controlling the cost;
The device combines the worm and gear mechanism with the planetary gear mechanism, and has the advantages of compact structure, large transmission ratio, stable operation, low noise and self-locking performance, further simplifies the structure, reduces the volume of the whole adjusting device, ensures the action precision of the rearview mirror, and ensures the stability after long-term operation;
The contact or separation of the brake disc and the friction disc is realized by controlling the on-off of the electromagnetic valve, so that the braking is realized or stopped, the rotation or the stopping rotation action of the first transmission worm and the second transmission worm is controlled, the steering of the whole adjusting device is realized, and the key effect is realized for accurately adjusting the position of the automobile rearview mirror;
through the rotation control to planet wheel mechanism, reach and only use a driving motor to realize the regulation of two directions of automobile rearview mirror, overall structure simplifies, reduces the device volume, practices thrift the cost.
Drawings
Fig. 1 is a schematic structural view of an adjusting device for a rearview mirror of an automobile according to the present invention.
Fig. 2 is another schematic view of an adjusting device for a rearview mirror of an automobile according to an embodiment of the invention.
The figure shows that the motor is a 1-driving motor, a 2-driving worm, a 3-driven worm wheel, a 4-sun wheel, a 5-planet wheel, a 6-planet carrier, a 7-gear ring, an 8-first worm transmission mechanism, a 801-first transmission worm, a 802-first worm tooth, a 803-first transmission brake disc, a 804-first transmission friction disc, a 805-first spring, a 806-first electromagnetic valve, a 9-second worm transmission mechanism, a 901-second transmission worm, a 902-second worm tooth, a 903-second transmission brake disc, a 904-second transmission friction disc, a 905-second spring, a 906-second electromagnetic valve, a 10-vertical shaft gear, a 11-horizontal shaft gear, a 12-gear ring driven gear, a 13-inner shell, a 14-outer shell and a 15-support.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should not be construed that the scope of the above subject matter of the present invention is limited to the following embodiments, and all techniques realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1 and 2, the adjusting device for the automobile rearview mirror of the embodiment comprises a planetary gear mechanism connected with a driving device, the driving device of the embodiment is a driving motor 1, the planetary gear mechanism comprises a sun gear 4, a planet gear 5, a planet carrier 6 and a gear ring 7, an outer ring gear is arranged on the gear ring 7, a gear ring driven gear 12 meshed with the outer ring gear is arranged on the gear ring 7, the gear ring driven gear 12 is connected with a first worm transmission mechanism 8, the planet carrier 6 is connected with a second worm transmission mechanism 9, braking devices are arranged on the first worm transmission mechanism 8 and the second worm transmission mechanism 9, a first directional rotating gear is arranged with the first worm transmission mechanism 8, a second directional rotating gear is arranged with the second worm transmission mechanism 9, and the first directional rotating gear and the second directional rotating gear are connected with a shell for accommodating the rearview mirror.
Further, the output shaft of the driving motor 1 is a driving worm 2, and is provided with a driven worm wheel 3 matched with the driving worm 2, and the driven worm wheel 3 is connected with a sun wheel 4 through a shaft.
The adjusting device of the embodiment skillfully utilizes a planetary gear mechanism, an outer ring gear and a gear ring driven wheel are arranged, a first worm transmission mechanism and a second worm transmission mechanism are arranged in a matched mode, the first and second worm transmission mechanisms are utilized to form axial movements in two directions, so that the action requirements of the whole adjusting device and a rearview mirror are met, a braking device is arranged on each of the first and second worm transmission mechanisms, when the first worm transmission mechanism is braked, the gear ring driven gear and the gear ring are braked, a driving device drives the planetary gear to rotate and revolve, drives the planetary gear and the second worm transmission mechanism to rotate, the rotation of the second worm transmission mechanism is realized, the rotation of the planetary gear is limited, the driving device drives the planetary gear to rotate, the gear ring is driven to rotate, the first worm transmission mechanism is realized, the rotation of the first worm transmission mechanism and the second regulation of the rearview mirror are realized, and the whole adjusting device only needs one driving device to realize the regulation in two directions of the rearview mirror.
Example 2
As shown in fig. 1 and 2, according to the adjusting device for the automobile rearview mirror of embodiment 1, a horizontal axis rotation gear 11 is provided with the first worm gear 8, and a vertical axis rotation gear 10 is provided with the second worm gear 9. Conversely, a vertical axis rotation gear 10 may be disposed with the first worm gear 8, and a horizontal axis rotation gear 11 may be disposed with the second worm gear 9, so as to realize rotation adjustment of the mirror in two directions.
Further, the first worm driving mechanism 8 includes a first driving worm 801 provided on the ring gear driven gear 12, and a first worm tooth 802 is provided on the first driving worm 801, and the horizontal axis rotating gear 11 is paired with the first worm tooth 802 to form a worm gear structure.
Further, the second worm driving mechanism 9 includes a second driving worm 901 provided on the planet carrier 6, and a second worm tooth 902 is provided on the second driving worm 901, and the vertical shaft gear 10 is paired with the second worm tooth 902 to form a worm gear structure.
As shown in fig. 2, the first worm 801 is provided on the axis of the ring gear driven gear 12, and the second worm 901 is provided on the axis of the carrier 6.
The adjusting device of the embodiment combines the worm and gear mechanism with the planetary gear mechanism, and has the advantages of compact structure, large transmission ratio, stable operation, low noise and self-locking performance, further simplifies the structure, reduces the volume of the whole adjusting device, ensures the action precision of the rearview mirror and ensures the stability after long-term operation.
Example 3
As shown in fig. 1 and 2, according to the adjusting device of the automobile rearview mirror of embodiment 1 or embodiment 2, the braking device of the present embodiment includes an electromagnetic valve, a spring and a brake disc, and friction discs are respectively provided on a first transmission worm 801 and a second transmission worm 901.
Specifically, the braking device on the first worm gear 801 includes a first solenoid valve 806, a first spring 805, a first transmission friction disk 804, and a first transmission brake disk 803, which are sequentially disposed from the end, and the braking device on the second worm gear 901 includes a first solenoid valve 906, a first spring 905, a first transmission friction disk 904, and a first transmission brake disk 903, which are sequentially disposed from the end.
The contact or separation of the brake disc and the friction disc is realized by controlling the on-off of the electromagnetic valve, so that the braking is realized or stopped, the rotation or the stopping rotation action of the first transmission worm and the second transmission worm is controlled, the steering of the whole adjusting device is realized, and the key effect is realized for realizing the accurate adjustment of the position of the automobile rearview mirror.
Example 4
As shown in fig. 1 and 2, according to the adjusting device of the automobile rearview mirror according to one of the embodiments 1 to 3, a support 15 is connected to a vertical shaft rotating gear 10 of the present embodiment, and an adjusting device component of the automobile rearview mirror is disposed in a housing, and the support 15 is in spherical hinge connection with the housing. The support is used for arranging the whole adjusting device on the automobile, and the support is connected with the shell through a spherical hinge so as to drive the shell and the rearview mirror to fold and unfold conveniently.
Further, the housing comprises an inner housing 13 and an outer housing 14, the inner housing 13 is in spherical hinge connection with the outer housing 14, the horizontal shaft rotating gear 11 is arranged on the outer housing 14, the adjusting device components of the rest of automobile rearview mirrors are arranged in the inner housing 13, the inner housing 13 is in spherical hinge connection with the support 15, and the rearview mirror lens is arranged on the outer housing 14. The horizontal axis rotating gear is arranged on the outer shell, the inner shell is connected with the outer shell through the spherical hinge, when the horizontal axis rotating gear rotates to drive the rearview mirror to perform pitching action, other parts in the inner shell are not required to move, abrasion is reduced, meanwhile, gaps between the rearview mirror shell and the lenses can be reduced, sealing performance is improved, dust entering is reduced, and performance is ensured.
Example 5
As shown in fig. 1 and 2, the automobile rearview mirror of the present embodiment includes the adjusting device of the automobile rearview mirror of one of embodiments 1 to 4.
Example 6
As shown in fig. 1 and 2, when the adjusting device for an automobile rearview mirror according to one of embodiments 1 to 4 is used for adjusting an automobile rearview mirror, the adjusting device comprises the following steps:
A. Determining the adjusting direction of the rearview mirror, if the rearview mirror needs to rotate in the first direction, starting a braking device on the second worm transmission mechanism, and if the rearview mirror needs to rotate in the second direction, starting the braking device on the first worm transmission mechanism;
B. starting the driving device, and if the first worm transmission mechanism is braked, enabling the planet gears to rotate and revolve, driving the planet carrier and the second worm transmission mechanism to rotate, so that the rearview mirror can rotate in the second direction;
C. In the step B, if the second worm transmission mechanism is braked, the planet wheel can only rotate, the gear ring drives the gear ring driven gear to rotate, and then the first worm transmission mechanism rotates, and the first direction rotation of the rearview mirror is realized.